51527630 has 32 divisors (see below), whose sum is σ = 115637760. Its totient is φ = 16060320.

The previous prime is 51527621. The next prime is 51527633. The reversal of 51527630 is 3672515.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51527593 and 51527602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51527633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32690 + ... + 34229.

It is an arithmetic number, because the mean of its divisors is an integer number (3613680).

Almost surely, 2^51527630 is an apocalyptic number.

51527630 is an abundant number, since it is smaller than the sum of its proper divisors (64110130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51527630 is a wasteful number, since it uses less digits than its factorization.

51527630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66944.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 51527630 is about 7178.2748623886. The cubic root of 51527630 is about 372.1174668538.

The spelling of 51527630 in words is "fifty-one million, five hundred twenty-seven thousand, six hundred thirty".